/* Copyright 2018 Jason Williams (Wilba)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <stdint.h>
#include <stdbool.h>


// Simple interface option.
// If these aren't defined, just define them to make it compile


#ifndef DRIVER_COUNT
#define DRIVER_COUNT 2
#endif

#ifndef DRIVER_LED_TOTAL
#define DRIVER_LED_TOTAL 96
#endif


typedef struct is31_led {
  uint8_t driver:2;
  uint8_t r;
  uint8_t g;
  uint8_t b;
} __attribute__((packed)) is31_led;

extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];

void IS31FL3736_init( uint8_t addr );
void IS31FL3736_write_register( uint8_t addr, uint8_t reg, uint8_t data );
void IS31FL3736_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer );

void IS31FL3736_set_color( int index, uint8_t red, uint8_t green, uint8_t blue );
void IS31FL3736_set_color_all( uint8_t red, uint8_t green, uint8_t blue );

void IS31FL3736_set_led_control_register( uint8_t index, bool red, bool green, bool blue );

void IS31FL3736_mono_set_brightness( int index, uint8_t value );
void IS31FL3736_mono_set_brightness_all( uint8_t value );
void IS31FL3736_mono_set_led_control_register( uint8_t index, bool enabled );

// This should not be called from an interrupt
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
void IS31FL3736_update_pwm_buffers( uint8_t addr1, uint8_t addr2 );
void IS31FL3736_update_led_control_registers( uint8_t addr1, uint8_t addr2 );

#define A_1  0x00
#define A_2  0x02
#define A_3  0x04
#define A_4  0x06
#define A_5  0x08
#define A_6  0x0A
#define A_7  0x0C
#define A_8  0x0E

#define B_1  0x10
#define B_2  0x12
#define B_3  0x14
#define B_4  0x16
#define B_5  0x18
#define B_6  0x1A
#define B_7  0x1C
#define B_8  0x1E

#define C_1  0x20
#define C_2  0x22
#define C_3  0x24
#define C_4  0x26
#define C_5  0x28
#define C_6  0x2A
#define C_7  0x2C
#define C_8  0x2E

#define D_1  0x30
#define D_2  0x32
#define D_3  0x34
#define D_4  0x36
#define D_5  0x38
#define D_6  0x3A
#define D_7  0x3C
#define D_8  0x3E

#define E_1  0x40
#define E_2  0x42
#define E_3  0x44
#define E_4  0x46
#define E_5  0x48
#define E_6  0x4A
#define E_7  0x4C
#define E_8  0x4E

#define F_1  0x50
#define F_2  0x52
#define F_3  0x54
#define F_4  0x56
#define F_5  0x58
#define F_6  0x5A
#define F_7  0x5C
#define F_8  0x5E

#define G_1  0x60
#define G_2  0x62
#define G_3  0x64
#define G_4  0x66
#define G_5  0x68
#define G_6  0x6A
#define G_7  0x6C
#define G_8  0x6E

#define H_1  0x70
#define H_2  0x72
#define H_3  0x74
#define H_4  0x76
#define H_5  0x78
#define H_6  0x7A
#define H_7  0x7C
#define H_8  0x7E

#define I_1  0x80
#define I_2  0x82
#define I_3  0x84
#define I_4  0x86
#define I_5  0x88
#define I_6  0x8A
#define I_7  0x8C
#define I_8  0x8E

#define J_1  0x90
#define J_2  0x92
#define J_3  0x94
#define J_4  0x96
#define J_5  0x98
#define J_6  0x9A
#define J_7  0x9C
#define J_8  0x9E

#define K_1  0xA0
#define K_2  0xA2
#define K_3  0xA4
#define K_4  0xA6
#define K_5  0xA8
#define K_6  0xAA
#define K_7  0xAC
#define K_8  0xAE

#define L_1  0xB0
#define L_2  0xB2
#define L_3  0xB4
#define L_4  0xB6
#define L_5  0xB8
#define L_6  0xBA
#define L_7  0xBC
#define L_8  0xBE

